Home / 215,409.35-322,214.03-151,363.01

Finding the Fourth Proportional to 215,409.35, 322,214.03 and 151,363.01

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Solution

The fourth proportional to 215,409.35, 322,214.03 and 151,363.01 is: 226,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,409.35 : 322,214.03 = 151,363.01 : x
  2. Step 2: Convert to fraction form
    215,409.35/322,214.03 = 151,363.01/x
  3. Step 3: Cross multiply
    215,409.35x = 322,214.03 × 151,363.01
  4. Step 4: Simplify right side
    215,409.35x = 48,771,283,077.15
  5. Step 5: Solve for x
    x = 48,771,283,077.15/215,409.35
  6. Step 6: Final answer
    x = 226,412.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.